Crossword clues for the word: BIOFUEL The word BIOFUEL has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for BIOFUEL Showing 1 to 8 of 8 results Clue(s) "Ethanol, for one" "Gas from beans, e.g." Algae, at times Eco energy source Energy source made from biomass Energy source often made from corn Green energy option It can be made with sugar cane or corn